# generated using pymatgen data_TmMgSe3 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 6.86992400 _cell_length_b 6.86992425 _cell_length_c 19.13125000 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 119.99999877 _symmetry_Int_Tables_number 1 _chemical_formula_structural TmMgSe3 _chemical_formula_sum 'Tm6 Mg6 Se18' _cell_volume 781.94798583 _cell_formula_units_Z 6 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' loop_ _atom_site_type_symbol _atom_site_label _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Tm Tm0 1 0.00000000 0.00000000 0.34624000 1.0 Tm Tm1 1 0.00000000 0.00000000 0.65376000 1.0 Tm Tm2 1 0.66666700 0.33333300 0.67957300 1.0 Tm Tm3 1 0.66666700 0.33333300 0.98709300 1.0 Tm Tm4 1 0.33333300 0.66666700 0.01290700 1.0 Tm Tm5 1 0.33333300 0.66666700 0.32042700 1.0 Mg Mg6 1 0.00000000 0.00000000 0.15930700 1.0 Mg Mg7 1 0.00000000 0.00000000 0.84069300 1.0 Mg Mg8 1 0.66666700 0.33333300 0.49264000 1.0 Mg Mg9 1 0.66666700 0.33333300 0.17402600 1.0 Mg Mg10 1 0.33333300 0.66666700 0.82597400 1.0 Mg Mg11 1 0.33333300 0.66666700 0.50736000 1.0 Se Se12 1 0.98855300 0.35149000 0.58372900 1.0 Se Se13 1 0.01144700 0.64851000 0.41627100 1.0 Se Se14 1 0.64851000 0.63706300 0.58372900 1.0 Se Se15 1 0.35149000 0.36293700 0.41627100 1.0 Se Se16 1 0.36293700 0.01144700 0.58372900 1.0 Se Se17 1 0.63706300 0.98855300 0.41627100 1.0 Se Se18 1 0.65522000 0.68482300 0.91706200 1.0 Se Se19 1 0.67811400 0.98184300 0.74960400 1.0 Se Se20 1 0.31517700 0.97039600 0.91706200 1.0 Se Se21 1 0.01815700 0.69627000 0.74960400 1.0 Se Se22 1 0.02960400 0.34478000 0.91706200 1.0 Se Se23 1 0.30373000 0.32188600 0.74960400 1.0 Se Se24 1 0.32188600 0.01815700 0.25039600 1.0 Se Se25 1 0.34478000 0.31517700 0.08293800 1.0 Se Se26 1 0.98184300 0.30373000 0.25039600 1.0 Se Se27 1 0.68482300 0.02960400 0.08293800 1.0 Se Se28 1 0.69627000 0.67811400 0.25039600 1.0 Se Se29 1 0.97039600 0.65522000 0.08293800 1.0